protected void btnSubmit_Click(object sender, EventArgs e) { if (uploadProductImage.PostedFile != null) { SaveProductPhoto(); Logic.ShoppingCart shoppingCart = new Logic.ShoppingCart() { ProductName = txtProductName.Text, ProductImage = "~/ProductImages/" + uploadProductImage.FileName, ProductPrice = txtProductPrice.Text, ProductDescritpion = txtProductDescription.Text, CategoryId = Convert.ToInt32(categoryDropDownList.SelectedValue), }; shoppingCart.AddNewProduct(shoppingCart); ClearText(); } else { Response.Write("<script>alert('Need upload image for creating new product.')</script>"); } }